Bolts Nuts and Washers
Bolts, Nuts and Washers Assembly Kits are complete fastening combinations including bolts, matched nuts and flat washers. We supply various standard series such as DIN933, DIN931, DIN912, DIN6921 and other common bolt types. Nuts are manufactured in our own factory, bolts and washers can be matched to form one-stop finished kits, which greatly saves customers’ separate purchasing, sorting and packaging work.
Handan Hengmai Fasteners Manufacturing Co., Ltd. is one of the most reliable manufacturers and suppliers of bolts nuts and washers in China. As we have world-leading production equipment and strong manufacturing capabilities, we warmly welcome you to buy bulk high quality bolts nuts and washers for sale here from our factory. Customized orders are welcome.
Product Overview
Bolts, Nuts and Washers Assembly Kits are complete fastening combinations including bolts, matched nuts and flat washers. We supply various standard series such as DIN933, DIN931, DIN912, DIN6921 and other common bolt types. Nuts are manufactured in our own factory, bolts and washers can be matched to form one-stop finished kits, which greatly saves customers' separate purchasing, sorting and packaging work. Multiple strength grades, materials and surface treatments are available to satisfy machinery, construction, steel structure, photovoltaic and metal fabrication projects.
Product Specification
|
Parameter Item |
Standard Index |
|
Available Bolt Standards |
DIN933, DIN931, DIN912, DIN6921, Self Drilling Bolts, Self Tapping Bolts etc. |
|
Material |
Carbon steel, alloy steel, 304 stainless steel |
|
Strength Grade |
Class 4.8, Class 8.8, Class 10.9, Class 12.9 |
|
Thread Precision |
6g metric coarse thread |
|
Surface Treatment |
Black oxide, electro-galvanized, hot-dip galvanized, Dacromet, passivation |
|
Size Range |
M2 – M72 customizable |
|
Supporting Components |
Hex head bolt / Allen bolt / Flanged bolt + hex nut + flat washer (spring washer optional) |
Product Properties
1. Complete supporting combination, ready-to-use after receiving goods, improving construction efficiency;
2. Nuts self-produced in factory, good thread consistency and reliable matching with supporting bolts;
3. Diversified specifications, materials and surface treatments can be customized according to project requirements;
4. Unified packaging scheme supports mixed container shipment and consolidated order management.
Application
Widely used for mechanical equipment assembly, photovoltaic bracket installation, steel structure connection, electrical cabinet manufacturing, metal workshop processing, container assembly and building engineering fastening.
Quality Control & Testing
All components pass thread inspection, dimensional check and hardness sampling test. Electroplated products carry out salt spray test. Complete material certificates and SGS test reports can be provided for bulk orders. All production follows ISO9001 quality management system.
Packing, Storage, Handling And Transportation
Standard packing: inner moisture-proof PE bags or cartons, outer woven bags, palletized for sea shipment. Custom labels and shipping marks are supported. Store in dry ventilated warehouse to avoid rust. We provide FOB, CIF, DDP multi-mode logistics solutions.
After‑Sales & Service
Our sales team helps confirm the suitable combination, material and surface treatment according to your working conditions. Any factory-caused defective products will be replaced free of charge, and we bear relevant logistics costs.
FAQ
Q1: Can I customize different combinations of bolt, nut and washer?
A: Yes, we can match different bolt types, sizes and add spring washers according to your demand.
Q2: Are the nuts self-produced by your factory?
A: Yes, all matched nuts are manufactured in our factory to guarantee thread fit.
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